Neurotoxicity Related to the Use of Topical Tretinoin (Retin-A)Ann Int Med 124:227-228, Bernstein,A.L.&Leventhal-Rochon,J.L., 1996
Abetalipoproteinemia, Report of Two Cases & Review of TherapyArch Neurol 37:659-662, Illingworth,D.R.,et al, 1980